Daily Practice · GCSE Science
July 1994 - GCSE Science 5-a-day
Every sheet in July 1994
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st July 1994State what happens to the frequency of a wave when it is refracted as it passes into a different material.
- 2nd July 1994State two factors that increase the size of the potential difference induced in a coil.
- 3rd July 1994Convert 0.02 mm into micrometres (um).
- 4th July 1994State two functions of bile.
- 5th July 1994What is an antigen?
- 6th July 1994Put these into the correct order for a reflex arc: motor neuron, receptor, effector, relay neuron, sensory neuron.
- 7th July 1994State one structural adaptation of a polar bear that helps it survive in a cold environment.
- 8th July 1994State one benefit of recycling metal rather than extracting new metal from its ore.
- 9th July 1994Name the three types of strong chemical bonding.
- 10th July 1994State two reasons why a percentage yield is less than 100 percent.
- 11th July 1994State what is meant by the activation energy of a reaction.
- 12th July 1994Name the process used to separate crude oil into fractions.
- 13th July 1994Explain why the baseline is drawn in pencil rather than ink.
- 14th July 1994Give one reason for taking the gradient from the line of best fit rather than from two data points.
- 15th July 1994State the equation linking potential difference, current and resistance.
- 16th July 1994Define half-life.
- 17th July 1994State Newton's First Law of Motion.
- 18th July 1994Two bar magnets are placed with their north poles facing each other. State what happens to the magnets.
- 19th July 1994State what is meant by red-shift.
- 20th July 1994Define osmosis.
- 21st July 1994State one way that pathogens can be spread from person to person.
- 22nd July 1994Explain why breathing rate and breathing depth both increase during exercise.
- 23rd July 1994In pea plants, purple flower colour (allele H) is dominant over white flower colour (allele h). State the phenotype of a plant with genotype Hh.
- 24th July 1994A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
- 25th July 1994Why do isotopes of an element react in the same way?
- 26th July 1994Calculate the Mr of calcium carbonate, CaCO3. (Ca = 40, C = 12, O = 16)
- 27th July 1994State the two materials commonly used as inert electrodes in electrolysis, and explain why they must be inert.
- 28th July 1994Explain how a catalyst increases the rate of a reaction without being used up.
- 29th July 1994State the reagent added, and the result, that shows a white solid contains sulfate ions.
- 30th July 1994State the two products of the complete combustion of a hydrocarbon fuel.
- 31st July 1994State one way to increase the efficiency of a motor.